South Korea has joined the ranks of the world’s most polluted countries, with air pollution in the first months of this year soaring to record levels.
Long associated with Asian capitals such as Beijing or Delhi, hazardous smog has for weeks blanketed Seoul — a city now appearing among the world’s three most polluted in daily rankings.
And there is growing concern that much of the root cause of the toxic air, estimated to cost the country up to $9bn each year, lies at home and not in China as the government has claimed.
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